The government should promote common welfare.

We must always consider the public interest.

I work for public welfare.

Let's keep public places clean.

Please refrain from smoking in public places.

The public transportation system runs like clockwork.

Emergency exits must be kept free of blockages for public safety.

Let no one appropriate a common benefit.

The park is common property.

But today smoking in public places is forbidden or strictly restricted.

This hotel is conveniently located in terms of public transportation.

This place isn't convenient to public transportation.

For example, China's public transport is without a doubt better than the UK's, but the UK's public welfare may be better than China's.

Tom uses public transportation.

This place isn't convenient for public transportation.

Have you ever kissed someone in public?